From f26f98c02a5fac337ce14a435216ed97dde07491 Mon Sep 17 00:00:00 2001
From: peijunlei <pjl@suq.cn>
Date: Fri, 11 Sep 2026 17:58:41 +0800
Subject: [PATCH] =?UTF-8?q?feat(product.js):=20=E7=9B=B8=E5=85=B3=E4=BA=A7?=
 =?UTF-8?q?=E5=93=81=E6=A8=A1=E5=9D=97=E4=B8=8D=E8=B6=85=E8=BF=874?=
 =?UTF-8?q?=E4=B8=AA=E6=97=B6=E3=80=82=E4=B8=8D=E5=B1=95=E7=A4=BA=E5=88=87?=
 =?UTF-8?q?=E6=8D=A2=E6=8C=89=E9=92=AE=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 public/themes/dist_static/static/js/product.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/public/themes/dist_static/static/js/product.js b/public/themes/dist_static/static/js/product.js
index bb083c1..b47e3c6 100644
--- a/public/themes/dist_static/static/js/product.js
+++ b/public/themes/dist_static/static/js/product.js
@@ -32,10 +32,18 @@ function relatedCarouselInit() {
 	const root = document.querySelector(".p-related");
 	const el = root?.querySelector(".p-related__swiper");
 	if (!root || !el || !window.Swiper) return;
+	const slideCount = el.querySelectorAll(".swiper-wrapper > .swiper-slide").length;
+	// 一屏展示 4 条，不超过 4 条时隐藏切换按钮
+	if (slideCount <= 4) {
+		root.querySelectorAll(".p-related__header .s-arrows").forEach((node) => {
+			node.style.display = "none";
+		});
+	}
 	new window.Swiper(el, {
 		slidesPerView: 1.15,
 		spaceBetween: 16,
 		grabCursor: true,
+		watchOverflow: true,
 		pagination: {
 			el: root.querySelector(".p-related__pagination"),
 			clickable: true